Giant cell arteritis is also known as cranial arteritis or temporal arteritis. This is a medical condition involving inflammation in the arteries situated in the temple area. This leads to pain and tenderness in the temple area, where the hardened arteries can be felt.
[edit on Wikidata] An opportunistic infection is an infection caused by pathogens (bacteria, viruses, fungi, or protozoa) that take advantage of an opportunity not normally available, such as a host with a weakened immune system, an altered microbiota (such as a disrupted gut flora), or breached integumentary barriers.
Opportunistic pathogen. Definition. noun, plural: opportunistic pathogens. An infectious microorganism that is normally a commensal or does not harm its host but can cause disease when the hostâs resistance is low.Supplement. Examples of opportunistic pathogens are: 1  Candida albicans-a causal agent of opportunistic oral and genital infections in human.pportunistic pathogen. Definition. noun, plural: opportunistic pathogens. An infectious microorganism that is normally a commensal or does not harm its host but can cause disease when the hostâs resistance is low.